Hanna (HI1131B) Laboratory combination pH electrode with ceramic junction for beer, laboratory general purpose.Hanna Instruments Laboratory Equipment Hanna HI1131B Laboratory pH Electrode Combination pH electrode with ceramic junction engineered for beer testing and general laboratory applications Laboratory Grade BNC Connection Ceramic Junction WHY IT WORKS Purpose built electrode design for reliable pH measurement in beer and lab environments Ceramic Single Junction 15 20 L h flow rate prevents clogging in high protein and turbid samples like beer wort and